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Could you explain me the relation between the chinese brand Longsun and the producers of the nanodragon please?
While living in shanghai last year I bought a car which looks a 100% like the nanodragon except for the brandname on the wing.

Secondly I'd like to know if any technical improvements were made between the nanodragon and nanodragon II. I had major troubles with geardifferentials and stored the car in bits and pieces after a couple months.

Thanks for dropping me a message. Let me start by saying that Longsun was the first China factory to copy our NanoDragon (1) then they got around and copy our NanoDragon 2 as well. But I can assure you that we (the producers) do not acknowledge copy of NanoDragon series to Longsun. We are not held responsible for another factory actions.

There are many technical improvement on the NanoDragon 2, for example we have toughen up all the gear box, and we have change the layout design so that you could fit a professionally design Lexan body. Also we have incorporated a removable battery box so that you could make quick switch during races. This also make using upgrade battery packs even easier. We have also upgraded the steering servo to increase torque.

There are also technical and performance improvement here and there to help improve the chassis performance. Also the Electronics has been upgraded using a commerical radio system by Inopo. The AFM2 TX is a very powerful radio TX on it's own, with upgradeable module providing AM/FM capability.

With all these upgrade, it makes the NanoDragon2 an even higher for value buy.